DIN 53859-3-1973 纺织品的检验.用Wegenter法对平面织物进行连续撕破试验
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【英文标准名称】:Testingoftextiles;teargrowthtestontextilefabrics,accordingtoWegener
【原文标准名称】:纺织品的检验.用Wegenter法对平面织物进行连续撕破试验
【标准号】:DIN53859-3-1973
【标准状态】:作废
【国别】:德国
【发布日期】:1973-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:纺织材料;定义;试验
【英文主题词】:testing;textiles;definitions
【摘要】:
【中国标准分类号】:W04
【国际标准分类号】:59_080_10
【页数】:3P;A4
【正文语种】:德语
【英文标准名称】:AutomaticPressure-OperatedValvesforNaturalGasDispensingSystems
【原文标准名称】:天然气分装系统用自动压力控制阀
【标准号】:ANSI/IASNGV4.7-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:燃气管路;天然气;压力调节器;阀门;阀门
【英文主题词】:Gascircuits;Naturalgas;Pressureregulators;Valves
【摘要】:Appliestoautomatic,pressure-operatedvalvesforhighpressurenaturalgasservice.
【中国标准分类号】:E98
【国际标准分类号】:23_060_40
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforCellSizeofRigidCellularPlastics
【原文标准名称】:测定硬质泡沫塑料微孔尺寸的标准试验方法
【标准号】:ASTMD3576-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D20.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;泡沫橡胶;塑料;大小测量;尺寸;纸浆;孔
【英文主题词】:cellsize;rigidcellularplastics
【摘要】:Severalphysicalpropertiesofrigidcellularplasticsaredependentoncellsizeandcellorientation.Measuringwaterabsorptionandopen-cellcontentinaccordancewithTestMethodD2842andTestMethodD2856requiresknowledgeofsurfacecellvolume,whichusescellsizevaluesinthecalculations.Thistestmethodprovidesanapparentcellsizebecauseitassumesthatthereisnomeasurableedgetoedgeortoptobottomvariationinaveragecellsizeandthatthecellsizedistributionabouttheaveragecellsizeisnormal.Iftheanalystisconcernedtheremaybesignificantvariationineithertheaveragecellsizeorthecellsizedistributionmoredetailedanalysismayberequired.Beforeproceedingwiththistestmethod,referenceshouldbemadetothespecificationofthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensions,ortestingparameters,oracombinationthereof,coveredinthematerialsspecificationshalltakeprecedenceoverthosementionedinthistestmethod.Iftherearenomaterialspecifications,thenthedefaultconditionsapply.FIG.1RazorBladeCellSizeSpecimenSlicerFIG.2CellSizeScaleSlideAssembly1.1Thistestmethodcoversthedeterminationoftheapparentcellsizeofrigidcellularplasticsbycountingthenumberofcell-wallintersectionsinaspecifieddistance.1.2ProcedureArequiresthepreparationofathinslice,notmorethanonehalftheaveragecelldiameterinthickness,thatismechanicallystable.Formostrigidcellularplasticsthislimitsthetestmethodtomaterialswithanaveragecellsizeofatleast0.2mm.1.3ProcedureBisintendedforusewithmaterialswhosefriablenaturemakesitdifficulttoobtainathinsliceforviewing.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninbracketsareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;TheannextoISO2896istechnicallyequivalenttothistestmethod.
【中国标准分类号】:G31
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】:
